I-mortar sisixhobo sokwakha esibalulekileyo esisetyenziswa kwiprojekthi zokwakha ezinkulu nezincinci. Idla ngokuba nesamente, isanti kunye namanzi kunye nezinye izongezo. Nangona kunjalo, ngokuqhubela phambili kwezobuchwepheshe, kuye kwaziswa izongezo ezininzi ukuphucula amandla okubopha, ukuguquguquka kunye nokumelana namanzi kwe-mortar.
Enye yeendlela zamva nje zokufaka izinto ezidityanisiweyo kwi-mortar kukusetyenziswa kwee-polymers ezibophayo. Ii-polymers ezibophayo zizinto ezenziwe ngokwenziwa eziphucula amandla e-bond yee-mortars. Zongezwa kwi-mortar ngexesha lokuxuba kwaye zisabela kwisamente ukuze zenze i-bond eqinileyo. Ukusetyenziswa kwee-polymers ezibophayo kubonakalisiwe ukuba kuphucula iimpawu ze-mortars, nto leyo eyenza ukuba zikwazi ukumelana nokuqhekeka kunye nokungena kwamanzi.
Esinye isongezo esiye sathandwa kwiminyaka yakutshanje yi-redispersible polymer powder (RDP). I-RDP yi-polymer esetyenziselwa ukuphucula iipropati ze-mortars. Yenziwe ngomxube wee-polymer resins ezixutywa nomgubo wesamente, amanzi kunye nezinye izongezo. I-RDP iya ithandwa kakhulu ngenxa yokuguquguquka kwayo kunye neempawu zayo ezizodwa.
Enye yezona nzuzo ziphambili zokusebenzisa i-RDP kwi-mortar kukukwazi kwayo ukwandisa ukuguquguquka kwemveliso egqityiweyo. Olu phawu lubaluleke kakhulu kwiindawo apho izakhiwo zichaphazeleka ziinyikima kunye nezinye iintlobo zeentlekele zemvelo. Ii-mortar ezenziwe nge-RDP zibonakalisiwe ukuba zihlala ixesha elide, ziguquguquka kwaye aziqhekezi kakhulu xa ziphantsi koxinzelelo. Ukongeza, i-RDP inokuphucula ukumelana namanzi, iyenze ibe luncedo kwiindawo ezinemvula eninzi.
Ukongeza ekuphuculeni ukuguquguquka kunye nokumelana namanzi, i-RDP ikwaphucula ukusebenza kakuhle kwe-mortar. Iqinisekisa ukuba i-mortar iyasasazeka kwaye ibekwe ngokulinganayo, okwenza kube lula ukwakha kubakhi. Oku kuluncedo ngakumbi xa kusakhiwa iindonga, imigangatho, kunye nezinye iindawo ezifuna ukugqitywa okufanayo. I-RDP ikwanciphisa ubungakanani bamanzi afunekayo ngexesha lenkqubo yokuxuba, nto leyo ekhokelela ekubeni i-mortar ihlangane ngakumbi kwaye ingabi namanzi amaninzi.
Ukusetyenziswa kwezongezo zesamente ezifana neepolymers ezibophayo kunye neepowders zepolymer eziphinda zichithwe kutshintsha ishishini lokwakha. Iimortars eziqulethe ezi zongezo ziqinile, ziguquguquka ngakumbi kwaye ziyamelana namanzi, nto leyo eqinisekisa ukuba isakhiwo sihlala ixesha elide kwaye sihlala ixesha elide. Kufuneka kuqatshelwe ukuba ezi zongezo kufuneka zisetyenziswe ngomlinganiselo ofanelekileyo. Imilinganiselo ecetyiswa ngumvelisi kufuneka ilandelwe ukuze kuthintelwe ukuchaphazela umgangatho wesamente.
Ishishini lokwakha lihlala litshintsha kwaye uphuculo olwahlukeneyo kwizixhobo zokwakha luyonwabisa. Ukusetyenziswa kwezongezo kwiimortar, ezifana neepolymers ezibophayo kunye neepowders zepolymer eziphinda zichithwe, linyathelo eliya kwicala elifanelekileyo lokuqinisekisa isakhiwo esiqinileyo nesihlala ixesha elide. Ezi zongezo ziqinisekisa ukuba isakhiwo sinokumelana neentlekele zemvelo, izikhukula kunye nezinye izinto ezinokonakalisa ukuthembeka kwaso. Ke ngoko, le nkqubela kufuneka yamkelwe kwaye isetyenziswe ekwakheni izakhiwo ezingcono neziqinileyo kwixesha elizayo.
Ixesha lokuthumela: Okthobha-16-2023